The San Francisco Giants entered Sunday tied with the Mets for the worst record in the National League and following another low point, a 13-3 home loss to the Pirates at Oracle Park, the fans in attendance let the team have it. And the upset crowd had at least one backer: manager Tony Vitello, who is in his first season after taking the job following a successful tenure at the University of Tennessee. “What would you do?” Vitello said when asked about the fans’ reaction. “They paid for their ticket. At the very least, even if it was free, they chose this over everything. There’s 85 million shows you can watch on Netflix, or in this city, I haven’t gone out much, but anytime I have, there’s a lot going on.’’ Giants manager Tony Vitello (23) speaks to the media before the game against the Pittsburgh Pirates on May 9, 2026. IMAGN IMAGES via Reuters Connect So he understood why the Giants’ faithful were not pleased in what’s quickly becoming a lost season by the bay.…